RanchiMall/flocore-node
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Limit all address query to MAX_TX_QUERY_LIMIT

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- any address data API will now max out at 1000 (MAX_TX_QUERY_LIMIT)
- For addrs with more than 1000 tx, use chained API query to get the complete data (like balance, txid, etc)

- set parallel queue limit to 1: preserve consistency in API queries (and prevent incorrect data)
This commit is contained in:
sairajzero 2023-04-11 03:49:21 +05:30
parent 7f86e488e4
commit 1b6352573f
1 changed files with 17 additions and 4 deletions
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21
lib/services/address/index.js
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@ -220,9 +220,13 @@ AddressService.prototype.getAddressHistory = function(addresses, options, stream
if(results.items.length > MAX_TX_QUERY_LIMIT) { //remove items from array when overflown
results.items.sort((a, b) => (b.__height || 0xffffffff) - (a.__height || 0xffffffff) || b.txid().localeCompare(a.txid()));
let del_count = options.old_support ? results.items.length : results.items.length - MAX_TX_QUERY_LIMIT;
let del_count = results.items.length - MAX_TX_QUERY_LIMIT;
let start_index = options.old_support ? MAX_TX_QUERY_LIMIT : 0;
results.items.splice(start_index, del_count);
if(!options.old_support)
options.flag_stop = true; //limit has reached, stop quering db for more tx
}
}
@ -315,6 +319,8 @@ AddressService.prototype.getAddressSummary = function(address, options, streamer
streamer = () => null; //NULL fn
}
var count = 0;
var result = {
addrStr: address,
balance: 0,
@ -329,13 +335,20 @@ AddressService.prototype.getAddressSummary = function(address, options, streamer
txApperances: 0,
};
self.getAddressHistory(address, options, function(err, tx) {
self._streamAddressSummary(address, options, function(err, tx) {
if(err)
return log.error(err);
if(tx)
if(tx) {
count++;
self._aggregateAddressSummaryResult(tx, address, result, options);
}
if(count >= MAX_TX_QUERY_LIMIT) {//stop quering db when limit reached
options.flag_stop = true;
result.lastItem = tx.txid();
}
streamer(null, tx);
@ -876,7 +889,7 @@ AddressService.prototype._streamAddressSummary = function(address, options, stre
self._transaction.getDetailedTransaction(id.txid, options, cb);
}, 4);
}, 1);
//q.pause(); //pause and wait until queue is set (not needed)